# NTSB MKC67D0577: Beech 35-C33, N9493S, Dubuque, IA, May 13, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 13, 1967
- Place: Dubuque, IA · DUBUQUE, IA
- Location: 42.5006° N, 90.6646° W: Placed by OpenAirDocs: center of Dubuque, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.5006&lon=-90.6646&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 12, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 117269
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC67D0577
- Page: https://openairdocs.org/ntsb/MKC67D0577

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1547  67/5/13    DUBUQUE, IOWA       BEECH 35-C33        CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 45, 77 TOTAL
        TIME - 1800                    N9493S              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  HOURS, 29 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - DUBUQUE MUNI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR RETRACTED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADVERTENTLY RETRACTED GEAR
```

## Aircraft

- Registration: [N9493S](https://openairdocs.org/aircraft/N9493S), registered now, S/N CE-8, built 1966 (OpenAirDocs)
- Reported make and model: BEECH 35-C33
- Registry model: [Beech 35-C33A](https://openairdocs.org/model/beech-35-c33a) (registry code 1151410) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Dubuque Muni

## Other investigations on N9493S (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CHI68D0720](https://openairdocs.org/ntsb/CHI68D0720), Mar 30, 1968: Beech 35-C33 (N9493S), Crystal Lake, IL, substantial damage

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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